56558107 has 4 divisors (see below), whose sum is σ = 56932816. Its totient is φ = 56183400.

The previous prime is 56558101. The next prime is 56558111. The reversal of 56558107 is 70185565.

56558107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70185565 = 5 ⋅14037113.

It is a cyclic number.

It is not a de Polignac number, because 56558107 - 2⁷ = 56557979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56558101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187128 + ... + 187429.

It is an arithmetic number, because the mean of its divisors is an integer number (14233204).

Almost surely, 2^56558107 is an apocalyptic number.

56558107 is a deficient number, since it is larger than the sum of its proper divisors (374709).

56558107 is a wasteful number, since it uses less digits than its factorization.

56558107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374708.

The product of its (nonzero) digits is 42000, while the sum is 37.

The square root of 56558107 is about 7520.5124160525. The cubic root of 56558107 is about 383.8530140389.

It can be divided in two parts, 56558 and 107, that added together give a palindrome (56665).

The spelling of 56558107 in words is "fifty-six million, five hundred fifty-eight thousand, one hundred seven".